1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2003-2005 Craig Boston 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR 26 * THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _USB_IF_CDCEREG_H_ 36 #define _USB_IF_CDCEREG_H_ 37 38 #define CDCE_BIT(x) (1 << (x)) 39 40 #define CDCE_FRAMES_MAX 8 /* units */ 41 #define CDCE_IND_SIZE_MAX 32 /* bytes */ 42 43 #define CDCE_NCM_TX_MINLEN 512 /* bytes, must be power of two */ 44 #define CDCE_NCM_TX_MAXLEN (16384 + 4) /* bytes, must be short terminated */ 45 #define CDCE_NCM_TX_FRAMES_MAX 8 /* units */ 46 47 #define CDCE_NCM_RX_MAXLEN (1UL << 14) /* bytes */ 48 #define CDCE_NCM_RX_FRAMES_MAX 1 /* units */ 49 50 #define CDCE_NCM_SUBFRAMES_MAX 32 /* units */ 51 52 #define CDCE_NCM_ALIGN(rem,off,mod) \ 53 ((uint32_t)(((uint32_t)(rem)) - \ 54 ((uint32_t)((-(uint32_t)(off)) & (-(uint32_t)(mod)))))) 55 56 #ifndef CDCE_HAVE_NCM 57 #define CDCE_HAVE_NCM 1 58 #endif 59 60 enum { 61 CDCE_BULK_RX, 62 CDCE_BULK_TX, 63 CDCE_INTR_RX, 64 CDCE_INTR_TX, 65 CDCE_N_TRANSFER, 66 }; 67 68 struct cdce_ncm { 69 struct usb_ncm16_hdr hdr; 70 struct usb_ncm16_dpt dpt; 71 struct usb_ncm16_dp dp[CDCE_NCM_SUBFRAMES_MAX]; 72 uint32_t rx_max; 73 uint32_t tx_max; 74 uint16_t tx_remainder; 75 uint16_t tx_modulus; 76 uint16_t tx_struct_align; 77 uint16_t tx_seq; 78 uint16_t tx_nframe; 79 }; 80 81 struct cdce_softc { 82 struct usb_ether sc_ue; 83 struct mtx sc_mtx; 84 #if CDCE_HAVE_NCM 85 struct cdce_ncm sc_ncm; 86 #endif 87 struct usb_xfer *sc_xfer[CDCE_N_TRANSFER]; 88 struct mbuf *sc_rx_buf[CDCE_FRAMES_MAX]; 89 struct mbuf *sc_tx_buf[CDCE_FRAMES_MAX]; 90 91 struct ifmedia sc_media; 92 93 int sc_flags; 94 #define CDCE_FLAG_ZAURUS 0x0001 95 #define CDCE_FLAG_NO_UNION 0x0002 96 #define CDCE_FLAG_RX_DATA 0x0010 97 #define CDCE_FLAG_VLAN 0x0020 98 99 uint8_t sc_eaddr_str_index; 100 uint8_t sc_ifaces_index[2]; 101 uint8_t sc_notify_state; 102 #define CDCE_NOTIFY_NETWORK_CONNECTION 0 103 #define CDCE_NOTIFY_SPEED_CHANGE 1 104 #define CDCE_NOTIFY_DONE 2 105 }; 106 107 /* 108 * Taken from USB CDC Subclass Specification for Ethernet Devices v1.2, 109 * section 6.2.4. 110 */ 111 112 #define CDC_SET_ETHERNET_PACKET_FILTER 0x43 /* Command code. */ 113 114 #define CDC_PACKET_TYPE_PROMISC CDCE_BIT(0) 115 #define CDC_PACKET_TYPE_ALL_MULTICAST CDCE_BIT(1) /* Allmulti. */ 116 #define CDC_PACKET_TYPE_DIRECTED CDCE_BIT(2) /* Filter unicast by mac. */ 117 #define CDC_PACKET_TYPE_BROADCAST CDCE_BIT(3) 118 #define CDC_PACKET_TYPE_MULTICAST CDCE_BIT(4) /* Multicast filtering, not supported. */ 119 120 #define CDCE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 121 #define CDCE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 122 #define CDCE_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t) 123 #endif /* _USB_IF_CDCEREG_H_ */ 124